Seine berühmteste Filmkomposition wurde das Leitmotiv zum Kinofilm/TV-Serie „Das Boot“. Darüber hinaus komponierte er seit 1963 regelmäßig fürs Fernsehen.
Klaus Doldinger, whose name stands for Jazz Rock and film compositions, turns 85 on May 12. In the sixties he played mainly Jazz with his own quartet, but turned to Jazz Rock with the band Motherhood in 1969 (two LPs). In 1971 he founded Passport. This group accompanies his work until today, almost 30 albums have already been released. He also accumulated a large number of records under his own name.
His most famous film composition became the main theme to the film/TV series "Das Boot". In addition, he has composed regularly for television since 1963.